Chord notes from root + quality

Codefragmenten

curl "https://api.oanor.com/musicnote-api/v1/chord" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/musicnote-api/v1/chord", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/musicnote-api/v1/chord");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/musicnote-api/v1/chord",
    headers={"x-oanor-key": "oanor_test_..."}
)

Voorbeeldrespons

Een echte respons van dit endpoint, vastgelegd bij de laatste health check.

{
    "data": {
        "root": "C4",
        "notes": [
            {
                "midi": 60,
                "note": "C4",
                "enharmonic": null,
                "frequency_hz": 261.6256
            },
            {
                "midi": 64,
                "note": "E4",
                "enharmonic": null,
                "frequency_hz": 329.6276
            },
            {
                "midi": 67,
                "note": "G4",
                "enharmonic": null,
                "frequency_hz": 391.9954
            },
            {
                "midi": 71,
                "note": "B4",
                "enharmonic": null,
                "frequency_hz": 493.8833
            }
        ],
        "quality": "maj7",
        "intervals": [
            0,
            4,
            7,
            11
        ]
    },
    "meta": {
        "timestamp": "2026-06-03T17:42:11.840Z",
        "request_id": "f9d22f3c-0b4d-48de-a507-76a85db56e61"
    },
    "status": "ok",
    "message": "Chord",
    "success": true
}